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TLC5945 Datasheet(PDF) 3 Page - Texas Instruments

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Part No. TLC5945
Description  16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TLC5945 Datasheet(HTML) 3 Page - Texas Instruments

 
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RECOMMENDED OPERATING CONDITIONS
DISSIPATION RATINGS
TLC5945
SLVS755 – MARCH 2007
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
DC Characteristics
VCC
Supply Voltage
3
5.5
V
VO
Voltage applied to output (OUT0 - OUT15)
17
V
VIH
High-level input voltage
0.8 VCC
VCC
V
VIL
Low-level input voltage
GND
0.2 VCC
V
IOH
High-level output current
VCC = 5 V at SOUT
–1
mA
IOL
Low-level output current
VCC = 5 V at SOUT, XERR
1
mA
IOLC
Constant output current
OUT0 to OUT15
80
mA
TA
Operating free-air temperature range
–40
85
°C
AC Characteristics
VCC = 3 V to 5.5 V, TA = –40°C to 85°C (unless otherwise noted)
Data shift clock
f(SCLK)
SCLK
30
MHz
frequency
Grayscale clock
f(GSCLK)
GSCLK
30
MHz
frequency
twh0/twl0
SCLK pulse duration
SCLK = H/L (See Figure 6)
16
ns
twh1/twl1
GSCLK pulse duration
GSCLK = H/L (See Figure 6)
16
ns
twh2
XLAT pulse duration
XLAT = H (See Figure 6)
20
ns
twh3
BLANK pulse duration
BLANK = H (See Figure 6)
20
ns
tsu0
SIN - SCLK
↑ (See Figure 6)
5
tsu1
SCLK
↓ - XLAT↑ (See Figure 6)
10
tsu2
MODE
↑↓ - SCLK↑ (See Figure 6)
10
Setup time
ns
tsu3
MODE
↑↓ - XLAT↑ (See Figure 6)
10
tsu4
BLANK
↓ - GSCLK↑ (See Figure 6)
10
tsu5
XLAT
↑ - GSCLK↑ (See Figure 6)
30
th0
SCLK
↑ - SIN (See Figure 6)
3
th1
XLAT
↓ - SCLK↑ (See Figure 6)
10
th2
Hold Time
SCLK
↑ - MODE↑↓ (See Figure 6)
10
ns
th3
XLAT
↓ - MODE↑↓ (See Figure 6)
10
th4
GSCLK
↑ - BLANK↑ (See Figure 6)
10
POWER RATING
DERATING FACTOR
POWER RATING
POWER RATING
PACKAGE
TA < 25°C
ABOVE TA = 25°C
TA = 70°C
TA = 85°C
28-pin HTSSOP with PowerPAD™
3958 mW
31.67 mW/
°C
2533 mW
2058 mW
soldered(1)
28-pin HTSSOP
2026 mW
16.21 mW/
°C
1296 mW
1053 mW
without PowerPAD™ soldered
32-pin QFN(1)
3482 mW
27.86 mW/
°C
2228 mW
1811 mW
(1)
The PowerPAD is soldered to the PCB with a 2-oz. copper trace. See application report SLMA002 for further information.
3
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